It is worth popularizing as a new type undersurface layer gradation of asphalt pavement.
是一种值得推广的新型沥青路面下面层级配。
It provides precise dimensional tolerances, enhanced surface finishes and no undersurface cavities.
该技术可以实现精确的尺寸公差，提高表面抛光度，避免表面下空洞。
The defects of stick breaks and seams often appear on the undersurface of the strip, its formation is re lated to the condition of CSP the roller in the heating furnace.
麻面翘皮缺陷经常发生在热轧板带下表面，它与加热炉炉底辊的使用状况有很大关系。
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